Brazilian police are on high alert after Islamic fanatic Rafaa Rachid, from Morocco, was reportedly spotted in Saint Georges — a small town in the municipality of Oiapoque in neighbouring French Guiana.

The 40-year-old was reportedly placed on house arrest in Morne Rouge, Grenada, after he was linked to a senior member of al-Qaeda, but vanished on July 27.

French investigators helping Brazilian intelligence services to track security threats at the 2016 games have told Rachid is to be treated as "dangerous".

There is suspicion Rachid may be co-ordinating with ISIS to carry out an attack in Rio after police revealed he had been speaking with a woman who lives in nearby Sao Paulo.

He had been exhanging messages on social media with the woman, sparking an anti-terror probe.

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MANHUNT: Cops are searching Rachid

“This is a sensitive border, especially at a time when France is the target of terrorist attacks”

Charles Correa, of Integrated Operations Centre for Public Security, said a manhunt is now underway to find Rachid amid fears he could strike with a lone wolf attack.

He said: "This is a sensitive border, especially at a time when France is the target of terrorist attacks.

"Anyone out of Saint Georges and Oiapoque comes to crossing the river in five minutes, just use a speedboat (canoe with motor).

"From here, you take a road 600 kilometers, with only a post of the Federal Highway Police, to the Macapa, from where you can travel to Rio on a domestic flight, which usually have less strict supervision.

"The North needs constant attention. We have, next to French Guiana, Suriname, which provides heavy weapons. There is a large flow of arms to Brazil."

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Volunteers use towels to dry off the Center Court after a water leek allowed centre court to become wet

It is reported that Rachid used his computer skills to disseminate information on the internet on the behalf of al-Qaida in Islamic Maghgreb.

He was arrested in France and transferred to Martinique after the European Court of Human Rights decided not to extradite him to Morocco for fear he may be tortured.

He was under house arrest since May 2014, but fled last month and is now on the run.